<?xml version="1.0"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html><head><title>SASAPI</title><script src="../../../quicknav.js" type="text/javascript"></script><script><!--
document.quicknavBasePath="../../../index-files";
//--></script><link href="../../../style.css" title="JavaDoc" rel="stylesheet" type="text/css"/><link href="../../../unnatural.css" title="Unnatural" rel="alternate stylesheet" type="text/css"/><link href="../../../overview-summary.html" title="Overview" rel="top"/><meta name="generator" content="http://www.badgers-in-foil.co.uk/projects/as2api/"/></head><body><pre><span class="lineno" id="1">     1  </span><span class="comment doc">/**
<span class="lineno" id="2">     2  </span> * com.sekati.validate.CreditCardValidation
<span class="lineno" id="3">     3  </span> * @version 1.0.1
<span class="lineno" id="4">     4  </span> * @author jason m horwitz | sekati.com
<span class="lineno" id="5">     5  </span> * Copyright (C) 2007  jason m horwitz, Sekat LLC. All Rights Reserved.
<span class="lineno" id="6">     6  </span> * Released under the MIT License: http://www.opensource.org/licenses/mit-license.php
<span class="lineno" id="7">     7  </span> */</span>
<span class="lineno" id="8">     8  </span>
<span class="lineno" id="9">     9  </span> <span class="key">import</span> com.sekati.crypt.Luhn;
<span class="lineno" id="10">    10  </span> <span class="key">import</span> com.sekati.utils.StringUtils;
<span class="lineno" id="11">    11  </span>
<span class="lineno" id="12">    12  </span><span class="comment doc">/**
<span class="lineno" id="13">    13  </span> * Credit Card Validation class
<span class="lineno" id="14">    14  </span> * @see {@link com.sekati.crypt.Luhn}
<span class="lineno" id="15">    15  </span> */</span>
<span class="lineno" id="16">    16  </span><span class="key">class</span> com.sekati.validate.CreditCardValidation {
<span class="lineno" id="17">    17  </span>
<span class="lineno" id="18">    18  </span>	<span class="key">private</span> <span class="key">static</span> <span class="key">var</span> DEFAULT_ENCODE_DIGITS_SHOWN:Number = <span class="num_const">4</span>;
<span class="lineno" id="19">    19  </span>	<span class="key">private</span> <span class="key">static</span> <span class="key">var</span> DEFAULT_ENCODE_CHARACTER:String    = <span class="str_const">"*"</span>;
<span class="lineno" id="20">    20  </span>	<span class="key">private</span> <span class="key">static</span> <span class="key">var</span> MINIMUM_CARD_LENGTH:Number         = <span class="num_const">13</span>;
<span class="lineno" id="21">    21  </span>	<span class="key">private</span> <span class="key">static</span> <span class="key">var</span> MAXIMUM_CARD_LENGTH:Number         = <span class="num_const">16</span>;
<span class="lineno" id="22">    22  </span>
<span class="lineno" id="23">    23  </span>	<span class="comment doc">/**
<span class="lineno" id="24">    24  </span>	 * validate a credit card expiration date
<span class="lineno" id="25">    25  </span>	 * @param nMonth (Number)
<span class="lineno" id="26">    26  </span>	 * @param nYear (Number)
<span class="lineno" id="27">    27  </span>	 * @return Boolean
<span class="lineno" id="28">    28  </span>	 * {@code Usage:
<span class="lineno" id="29">    29  </span>	 * 	var isValidDate:Boolean = CreditCardValidation.isValidExDate(11,2010);
<span class="lineno" id="30">    30  </span>	 * }
<span class="lineno" id="31">    31  </span>	 */</span>
<span class="lineno" id="32">    32  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> isValidExDate (nMonth:Number, nYear:Number):Boolean {
<span class="lineno" id="33">    33  </span>		<span class="key">var</span> objDate:Date = <span class="key">new</span> Date();
<span class="lineno" id="34">    34  </span>		<span class="key">var</span> nCurrentMonth:Number = objDate.getMonth() + <span class="num_const">1</span>;
<span class="lineno" id="35">    35  </span>		<span class="key">var</span> nCurrentYear:Number  = objDate.getFullYear();
<span class="lineno" id="36">    36  </span>		<span class="key">if</span>((nYear &gt; nCurrentYear) || (nYear == nCurrentYear &amp;&amp; nMonth &gt;= nCurrentMonth)) {
<span class="lineno" id="37">    37  </span>			<span class="key">return</span> <span class="key">true</span>;
<span class="lineno" id="38">    38  </span>		}
<span class="lineno" id="39">    39  </span>		<span class="key">return</span> <span class="key">false</span>;
<span class="lineno" id="40">    40  </span>	}
<span class="lineno" id="41">    41  </span>
<span class="lineno" id="42">    42  </span>	<span class="comment doc">/**
<span class="lineno" id="43">    43  </span>	 * validate a credit card number as much as possible before submitting for approval
<span class="lineno" id="44">    44  </span>	 * @param strNumber (String) credit card number as string
<span class="lineno" id="45">    45  </span>	 * @return Boolean
<span class="lineno" id="46">    46  </span>	 * {@code var isValidNumber:Boolean = CreditCardValidation("1234567890123456"); }
<span class="lineno" id="47">    47  </span>	 */</span>
<span class="lineno" id="48">    48  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> isValidNumber (strNumber:String):Boolean {
<span class="lineno" id="49">    49  </span>		<span class="key">var</span> ccNumber:String = StringUtils.toNumeric(strNumber);
<span class="lineno" id="50">    50  </span>		<span class="key">if</span>(ccNumber.length &gt; <span class="num_const">0</span> &amp;&amp; !isNaN(ccNumber) &amp;&amp; (ccNumber.length &gt;= MINIMUM_CARD_LENGTH &amp;&amp; ccNumber.length &lt;= MAXIMUM_CARD_LENGTH)) {
<span class="lineno" id="51">    51  </span>			<span class="key">return</span> Luhn.mod10(ccNumber);
<span class="lineno" id="52">    52  </span>		}
<span class="lineno" id="53">    53  </span>		<span class="key">return</span> <span class="key">false</span>;
<span class="lineno" id="54">    54  </span>	}
<span class="lineno" id="55">    55  </span>
<span class="lineno" id="56">    56  </span>	<span class="comment doc">/**
<span class="lineno" id="57">    57  </span>	 * Encode a credit card number as a string and encode all digits except the last nDigitsShown
<span class="lineno" id="58">    58  </span>	 * @param strNumber (String) credit card number as string
<span class="lineno" id="59">    59  </span>	 * @param nDigitsShown (Number) display this many digits at the end of the card number for security purposes
<span class="lineno" id="60">    60  </span>	 * @param strCharacter (String) optional encoding character to use instead of default '*'
<span class="lineno" id="61">    61  </span>	 * @return String
<span class="lineno" id="62">    62  </span>	 * {@code Usage:
<span class="lineno" id="63">    63  </span>	 * trace(CreditCardValidation.EncodeNumber("1234567890123456")); // ************3456
<span class="lineno" id="64">    64  </span>	 * trace(CreditCardValidation.EncodeNumber("1234567890123456", 5, "x"));  // xxxxxxxxxxx23456
<span class="lineno" id="65">    65  </span>	 * }
<span class="lineno" id="66">    66  </span>	 */</span>
<span class="lineno" id="67">    67  </span>	<span class="key">public</span> <span class="key">static</span> <span class="key">function</span> EncodeNumber(strNumber:String, nDigitsShown:Number, strCharacter:String):String {
<span class="lineno" id="68">    68  </span>		<span class="key">var</span> strEncoded:String = <span class="str_const">""</span>;
<span class="lineno" id="69">    69  </span>		nDigitsShown = (nDigitsShown != undefined &amp;&amp; nDigitsShown != <span class="key">null</span>) ? nDigitsShown : DEFAULT_ENCODE_DIGITS_SHOWN;
<span class="lineno" id="70">    70  </span>		strCharacter = (strCharacter != undefined &amp;&amp; strCharacter != <span class="key">null</span>) ? strCharacter : DEFAULT_ENCODE_CHARACTER;
<span class="lineno" id="71">    71  </span>		<span class="key">for</span>(<span class="key">var</span> i:Number=<span class="num_const">0</span>; i &lt; strNumber.length - nDigitsShown; i++) {
<span class="lineno" id="72">    72  </span>			strEncoded += strCharacter;
<span class="lineno" id="73">    73  </span>		}
<span class="lineno" id="74">    74  </span>		strEncoded += strNumber.slice(-nDigitsShown);
<span class="lineno" id="75">    75  </span>		<span class="key">return</span> strEncoded;
<span class="lineno" id="76">    76  </span>	}
<span class="lineno" id="77">    77  </span>	
<span class="lineno" id="78">    78  </span>	<span class="key">private</span> <span class="key">function</span> CreditCardValidation(){
<span class="lineno" id="79">    79  </span>	}
<span class="lineno" id="80">    80  </span>}</pre><ul class="main_nav" id="main_nav"><li><a href="../../../overview-summary.html" title="Overview of SASAPI" class="button">Overview</a></li><li><a href="package-summary.html" title="Overview of package com.sekati.validate" class="button">Package</a></li><li><a href="CreditCardValidation.html" title="Detail of com.sekati.validate.CreditCardValidation API" class="button">Class</a></li><li><span class="button nav_current">Source</span></li><li><a href="../../../index-files/index.html" title="Alpabetical index of types and members" class="button">Index</a></li></ul><div class="footer"><a href="http://www.badgers-in-foil.co.uk/projects/as2api/" title="ActionScript 2 API Documentation Generator">as2api</a></div></body></html>